diff options
Diffstat (limited to 'meta-arm/meta-arm-bsp/recipes-bsp/trusted-firmware-a/files/tc/0007-fix-plat-tc-disable-smmu.patch')
| -rw-r--r-- | meta-arm/meta-arm-bsp/recipes-bsp/trusted-firmware-a/files/tc/0007-fix-plat-tc-disable-smmu.patch | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/meta-arm/meta-arm-bsp/recipes-bsp/trusted-firmware-a/files/tc/0007-fix-plat-tc-disable-smmu.patch b/meta-arm/meta-arm-bsp/recipes-bsp/trusted-firmware-a/files/tc/0007-fix-plat-tc-disable-smmu.patch new file mode 100644 index 0000000000..91f5a9efa9 --- /dev/null +++ b/meta-arm/meta-arm-bsp/recipes-bsp/trusted-firmware-a/files/tc/0007-fix-plat-tc-disable-smmu.patch @@ -0,0 +1,64 @@ +From 1a051bef6c63f6871edd8d87e969460f073820a7 Mon Sep 17 00:00:00 2001 +From: Arunachalam Ganapathy <arunachalam.ganapathy@arm.com> +Date: Wed, 27 Apr 2022 18:15:47 +0100 +Subject: [PATCH 7/7] fix(plat/tc): disable smmu + +Reserve static shared-dma-pool below 4GB. This removes dependency on +SMMU driver. As there are stability issues in SMMU driver, it is +disabled. This change is temporary and will be reverted upon proper +fix and testing. + +Signed-off-by: Arunachalam Ganapathy <arunachalam.ganapathy@arm.com> +Change-Id: I6b1b4c2a0acdf62df8c26007c7ca596774e13710 +Upstream-Status: Pending [Not submitted to upstream yet] +--- + fdts/tc.dts | 16 +++------------- + 1 file changed, 3 insertions(+), 13 deletions(-) + +diff --git a/fdts/tc.dts b/fdts/tc.dts +index dc86958bf..fbae3e3e8 100644 +--- a/fdts/tc.dts ++++ b/fdts/tc.dts +@@ -209,12 +209,12 @@ + linux,cma { + compatible = "shared-dma-pool"; + reusable; +- size = <0x0 0x8000000>; ++ reg = <0x0 0xf1000000 0x0 0x8000000>; + linux,cma-default; + }; + +- optee@0xf8e00000 { +- reg = <0x00000000 0xf8e00000 0 0x00200000>; ++ optee@0xf0e00000 { ++ reg = <0x0 0xf0e00000 0 0x00200000>; + no-map; + }; + }; +@@ -460,13 +460,6 @@ + >; + }; + +- smmu: smmu@2ce00000 { +- #iommu-cells = <1>; +- compatible = "arm,smmu-v3"; +- reg = <0x0 0x2ce00000 0x0 0x20000>; +- status = "okay"; +- }; +- + dp0: display@2cc00000 { + #address-cells = <1>; + #size-cells = <0>; +@@ -476,9 +469,6 @@ + interrupt-names = "DPU"; + clocks = <&scmi_clk 0>; + clock-names = "aclk"; +- iommus = <&smmu 0>, <&smmu 1>, <&smmu 2>, <&smmu 3>, +- <&smmu 4>, <&smmu 5>, <&smmu 6>, <&smmu 7>, +- <&smmu 8>, <&smmu 9>; + pl0: pipeline@0 { + reg = <0>; + clocks = <&scmi_clk 1>; +-- +2.30.2 + |